PCA9522 データシートの表示（PDF） - NXP Semiconductors.

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PCA9522

Fast dual bidirectional bus buffer with hot insertion logic

NXP Semiconductors. 

NXP Semiconductors

PCA9522

Fast dual bidirectional bus buffer with hot insertion logic

3. Applications

 Backplane management/interconnect

 Telecommunications systems including ATCA

 Desktop and portable computers including RAID

4. Ordering information

Table 1. Ordering information

Type number Topside

mark

Package

Name

PCA9522D PCA9522 SO8

PCA9522DP 9522

TSSOP8

Description

plastic small outline package; 8 leads; body width 3.9 mm

plastic thin shrink small outline package; 8 leads; body width 3 mm

Version

SOT96-1

SOT505-1

5. Block diagram

1.8 V to 10 V

R1

enable

(up to 10 V)

R2

undervoltage

EN 1

HOT INSERT

LOGIC

2.7 V to 5.5 V

1.8 V to 10 V 1.8 V to 10 V

VCC

8

PRECHARGE

R5

PCA9522

5 RDY

R3

R4

ready

SCL

SCLB 3

SDA

backplane

side

Vref

SDAB 6

Fig 1. Block diagram of PCA9522

4

GND

2 SCLC

card

side

7 SDAC

SCL

SDA

002aaf318

PCA9522

Product data sheet

All information provided in this document is subject to legal disclaimers.

Rev. 1 — 28 September 2011

© NXP B.V. 2011. All rights reserved.

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